20273640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3986

約数の個数: 64

約数和(自身を含む): 62251200

約数和(自身を除く): 41977560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3929, 5160, 7858, 11787, 15716, 19645, 23574, 31432, 39290, 47148, 58935, 78580, 94296, 117870, 157160, 168947, 235740, 337894, 471480, 506841, 675788, 844735, 1013682, 1351576, 1689470, 2027364, 2534205, 3378940, 4054728, 5068410, 6757880, 10136820, 20273640]

約数ペア:

[(1, 20273640), (2, 10136820), (3, 6757880), (4, 5068410), (5, 4054728), (6, 3378940), (8, 2534205), (10, 2027364), (12, 1689470), (15, 1351576), (20, 1013682), (24, 844735), (30, 675788), (40, 506841), (43, 471480), (60, 337894), (86, 235740), (120, 168947), (129, 157160), (172, 117870), (215, 94296), (258, 78580), (344, 58935), (430, 47148), (516, 39290), (645, 31432), (860, 23574), (1032, 19645), (1290, 15716), (1720, 11787), (2580, 7858), (3929, 5160)]